Skip to main content

Table 2 Percent composition of cellular biomass of R. sphaeroides during photoheterotrophic and aerobic growth*

From: iRsp1095: A genome-scale reconstruction of the Rhodobacter sphaeroides metabolic network

Components % Composition of biomass (Photo) % Composition of biomass (Aero)
DNA 1.9 2.8
RNA 5.1 7.1
Protein 53.6 49.3
Lipidsa 17.1 12.8
PHB 10.4 17.6
Bacteriochlorophyll 0.4 0
Carotenoids 0.1 0
Glycogen 1.4 0.4
Lipopolysaccharidesb 3 3
Cell Wallb 2 2
  1. * Inorganic fraction estimated to be about 5% of biomass [66].
  2. a Lipid composition of R. sphaeroides consisting of phospholipids and sulfolipids.
  3. b Estimated from E. coli cell wall and lipopolysaccharides percent contribution.